{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54277",
    "entityType": "User",
    "nonce": "0x1d5a733498f615f21b07e30c928a298f5d66873a67ab214d782950f35f1f703c",
    "signature": "0x1598622fdbb931c21fdb53bf07588f0931c59c2b80de2f74aac9308e571899cf5a654bf0cbc76dd68f878445b6ca2b27dd33d47d078c657954893ec46e91e0121b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}